130431431 has 8 divisors (see below), whose sum is σ = 141002400. Its totient is φ = 119937312.

The previous prime is 130431407. The next prime is 130431437. The reversal of 130431431 is 134134031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130431431 - 2¹⁰ = 130430407 is a prime.

It is a super-2 number, since 2×130431431² = 34024716385415522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130431437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15656 + ... + 22493.

It is an arithmetic number, because the mean of its divisors is an integer number (17625300).

Almost surely, 2^130431431 is an apocalyptic number.

130431431 is a deficient number, since it is larger than the sum of its proper divisors (10570969).

130431431 is a wasteful number, since it uses less digits than its factorization.

130431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38425.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 130431431 is about 11420.6580808638. The cubic root of 130431431 is about 507.1394784748.

Adding to 130431431 its reverse (134134031), we get a palindrome (264565462).

The spelling of 130431431 in words is "one hundred thirty million, four hundred thirty-one thousand, four hundred thirty-one".